<?php
/**
 * Slipstream :: Highly adaptive dependency injection framework
 * Copyright 2010-2011 Ian Unruh (Xerof3ar)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
namespace Slipstream\Extension;

use Slipstream\Infrastructure\Context\Relevance\AnalyzerServiceFactory;
use Slipstream\Infrastructure\Context\Type\ResolverServiceFactory;
use Slipstream\Infrastructure\Context\ScopeAnalyzer;

/**
 * Default implementation of AbstractCoreExtension
 *
 * This core extension uses the framework's built-in service configurations
 *
 * @author Ian Unruh (Xerof3ar) <ianunruh@gmail.com>
 * @since Class avaliable since release 1.0
 */
class CoreExtension extends AbstractCoreExtension
{
	/**
	 * @return AnalyzerServiceInterface
	 */
	protected function createRelevanceAnalyzer()
	{
		$factory = new AnalyzerServiceFactory();
		$factory->setTypeResolver($this->getTypeResolver());
		return $factory->getAnalyzerService();
	}
	
	/**
	 * @return ScopeAnalyzerInterface
	 */
	protected function createScopeAnalyzer()
	{
		return new ScopeAnalyzer($this->getRelevanceAnalyzer());
	}
	
	/**
	 * @return ResolverServiceInterface
	 */
	protected function createTypeResolver()
	{
		$factory = new ResolverServiceFactory();
		return $factory->getResolverService();
	}
}